Bus



FIG. 1 is a front-right perspective view of a bus showing our new design;

FIG. 2 is rear-left perspective view thereof;

FIG. 3 is a front view thereof, shown in enlarged scale;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof, shown in reduced scale relative to the front and rear views;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a top view thereof. 

CLAIM The ornamental design for a bus, as shown and described. 